Maco Rail Inline Espag Window Lock - BS20, 7.7mm, 400mm, Silver

An inline espag features a central gearbox aligned with the center of the rail, making it compatible with most standard uPVC profiles.

No, this lock is designed to meet PAS 24 security standards without the need for additional shootbolt extensions.

Measure the total length of the existing metal rail and the backset distance. Match these measurements to the corresponding Maco product model.

Yes, the eccentric cams allow you to turn the locking points to increase or decrease compression against the frame.

While technically possible for those with window hardware experience, we recommend professional installation to ensure the security rating is maintained.

It features the Silverlook-Evo finish, which is specially formulated for high corrosion resistance.

Check the compression setting on the cams; they may be set too tightly. Adjust the eccentric cam to reduce pressure.

Adjust the eccentric mushroom cams to increase compression, ensuring a tighter seal against the weather gasket.

Verify that you have the correct rail length and backset for your window profile. Ensure the striker plates are correctly aligned with the cam positions.